Manifolding flat pack



Oct. 23,1945. & r w, EI FRWZ 2,387,667

MANIFOLDING FLAT PACK Filed April 24, 1944 Patented, Oct. 23, 1945 UNITED MANIFOLDING FLA'rrAcK William F. Leibfritz, Villa. Park, IlL, ass'ignor to Harold Quest and James H. MeAlvln Application April 24, 1944, Serial No. 532,458

6' Claims.

This invention relates to a manifolding flat pack of transfer material, such as carbon paper, which may be interleaved between strips of stationery and advanced to writing position with respect tothe platen of a writing'machine.

The primary object of the invention is to provide an'improved holder for a zigzag strip of transfer material whereby a reserve suppLv of carbon may be stored between the stationery strips and be available readily for use whenever the forwardly extending free end of the strip has become unserviceable.

Anotherobiect of the invention is to provide an improved means in the transfer strip carrier a for preventing more transfer material from being withdrawn than desired for a particular writing, but to make an additional length of transfer material available by merely pulling on the free end of the strip with substantially more force.

A further object of theinvention is to provide an improved carrier for the transfer material which encloses and protects the transfer material when it is not in use.

The inventionis illustrated in a preferred embodiment in the accompanying drawing in whicht Figure 1 is a broken plan 'view of a manifolding pack embodying the invention; Fig. 2 is a sectional view as indicated at line 2 -2 of Fig. 1; and

Fig. 3, an enlargedsectional view showing how the front folded portion of the transfer strip is held in the carrier by a checking edge,

In the embodiment illustrated, the carrier is in the form of an envelope made of relatively strong paper, and has a bottom portion 4 pro-' vided with two fiaps and 8, which may be folded over the transfer strip and glued together as intends over the flaps I and 6, as indicatedvat Ill, and is pasted thereto to presents smooth sur- 45 face so that stationary may be drawn thereover.

A strip of transfer material II is zigzag folded and has its rear end pasted or sewed to the inner rear portion of the envelope, as indicated at II. The bottom wall of the carrier has an extension I! which is folded rearwardly into the envelope to provide 'a checking edge ll about which the transfer material must be drawn to pass out of the carrier. As will be best understood from Fig. 3, when the operator draws on the free end I! of the transfer strip, the reverse bendsaround the checking edge ll offer considerable resistance. However-,if additional force is exerted, the top frontioldwillbedrawnaroimdtheehecking msndthentwofoldedl sthlofn'ansfer material maybe drawn up readily until the next front folded edge arrestsjthe withdrawal, as indicated in Fig. 3. The flaps 5." and 8 hold the transfer strip in close contact with the checking 5 edge, and there is very little danger of an additional length of transfer material being accidentally withdrawn. I I

The foregoing detailed description is given for clearness of understanding only, and no unneces sary limitations should besunderstood therefrom. for some modifications will be obvious to those skilled in the art. 7 1 r I claim: 1 I 1. A manifolding flat lpackof transfer material, comprising: a carrier member having a body portion provided with means for attachment to a holding bar between strips of stationery; a single continuous strip of transfer material zigzag folded crosswise of the stationary to form a wide having-a free end adapted to' extend forwardly with the stationery and the rear end being fastened to the .body of the carrier: and said carrier having a checking edge member overlying the front folded portion of the transfer strip so that transfer material in advance thereof will travel back around the checking'edge before being withdrawn from the pack. s

2. A manifolding pack as'speciiled in. claim 1, in which the lateral edg'eportions and the folded portions of the transfer material are completely enclosedby'the carrier. 7 l I 3. A'manifolding pack as specified in claim 1. in which the carrier is in the form of an envelope 5 which encloses the folded transfer material and has a slot through which transfermaterial may be drawnover the checking edge.

4. A maniiolding pack as specified in. claim 1, in which the carrier is in the form of an envelope which encloses the folded transfer material; has a slotthrough which the-transfer strlpmay .be drawn, and is provided at its rear edge with a loop to receive a holding bar. Y,

5. A manifolding pack as specified in claim 1, in which the carrier is in the form of an envelope which encloses the folded transfer materlaland has a checking edge which is formed integrally with said carrier.

Provided at its rear edge with a loop to receive a holding blade: a zigzag folded strip 01' transfer material in said envelope having its rearv end secured thereto and its" front free end extending through a slot in the envelope: and a checking edge member in said envelope, in rear of the front 6. A manifolding pack comprising: an envelope strip must travel to pass 

